Home / 128,301.30-192,396.90-44,069.94

Finding the Fourth Proportional to 128,301.30, 192,396.90 and 44,069.94

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Solution

The fourth proportional to 128,301.30, 192,396.90 and 44,069.94 is: 66,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,301.30 : 192,396.90 = 44,069.94 : x
  2. Step 2: Convert to fraction form
    128,301.30/192,396.90 = 44,069.94/x
  3. Step 3: Cross multiply
    128,301.30x = 192,396.90 × 44,069.94
  4. Step 4: Simplify right side
    128,301.30x = 8,478,920,004.45
  5. Step 5: Solve for x
    x = 8,478,920,004.45/128,301.30
  6. Step 6: Final answer
    x = 66,086.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.